Terms Used In CFR > Title 42 > Chapter IV > Subchapter G > Part 489 > Subpart I - Advance Directives

• Contract: A legal written agreement that becomes binding when signed.
• Obligation: An order placed, contract awarded, service received, or similar transaction during a given period that will require payments during the same or a future period.
• Power of attorney: A written instrument which authorizes one person to act as another's agent or attorney. The power of attorney may be for a definite, specific act, or it may be general in nature. The terms of the written power of attorney may specify when it will expire. If not, the power of attorney usually expires when the person granting it dies. ^{Source: OCC}